Node.js XPath 示例？

Question

我有一个 XML 数据，要阅读我使用的是“xpath”和“xmldom”。我正在获取relativePath价值，但它只给出第一个 value( /abc/) 3 次。我无法获得其他价值。var xpath = require('xpath')var dom = require('xmldom').DOMParservar le = `<content><data><content-item><relativePath>/abc/</relativePath><text>abc</text><leaf>false</leaf><lastModified>2018-10-16</lastModified></content-item><content-item><relativePath>/defghi/</relativePath><text>defghi</text><leaf>false</leaf><lastModified>2018-06-23</lastModified></content-item><content-item><relativePath>/jklmn/</relativePath><text>jklmn</text><leaf>false</leaf><lastModified>2019-02-27</lastModified></content-item>`;var doc = new dom().parseFromString(le);var nodes = xpath.select("//content-item", doc);   nodes.forEach( (n, i) => {    var title = xpath.select("string(//relativePath)", n);    console.log(title);  });最终输出：/abc//abc//abc/